What does sst stand for?
sst stands for "Send-special-information tone"
How to abbreviate "Send-special-information tone"?
"Send-special-information tone" can be abbreviated as sst
What is the meaning of sst abbreviation?
The meaning of sst abbreviation is "Send-special-information tone"
What does sst mean?
sst as abbreviation means "Send-special-information tone"
